netdev - Re: wireless vs. alignment requirements

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Message-ID: <474CD592.2020108@zytor.com>
Date:	Tue, 27 Nov 2007 18:42:26 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Stephen Hemminger <shemminger@...ux-foundation.org>
CC:	Herbert Xu <herbert@...dor.apana.org.au>,
	Johannes Berg <johannes@...solutions.net>, dsd@...too.org,
	davem@...emloft.net, netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org
Subject: Re: wireless vs. alignment requirements

Stephen Hemminger wrote:
> 
> Is there any standard kernel config define for "this platform can't do
> unaligned accesses"?
> 

Not that I know of, but there should be.

To be somewhat more complexicated, some platforms (e.g. MIPS) can do 
unaligned references quite cheaply, but they need different opcodes to 
do so.

	-hpa
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